* 2 1/2 lbs ground beef
* 1/2 cup chopped onion
* 2 garlic cloves, finely chopped
* 1 jar (48 oz) chunky garden vegetable pasta sauce
* 1 can (6 oz) tomato paste
* 1 can (3.8 oz) sliced black olives, drained
* 12 French rolls (each about 6" long)
* 12 slices mozzarella cheese
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